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Finding the Fourth Proportional to 8,745.08, 13,121.49 and 4,584.09

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Solution

The fourth proportional to 8,745.08, 13,121.49 and 4,584.09 is: 6,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.08 : 13,121.49 = 4,584.09 : x
  2. Step 2: Convert to fraction form
    8,745.08/13,121.49 = 4,584.09/x
  3. Step 3: Cross multiply
    8,745.08x = 13,121.49 × 4,584.09
  4. Step 4: Simplify right side
    8,745.08x = 60,150,091.09
  5. Step 5: Solve for x
    x = 60,150,091.09/8,745.08
  6. Step 6: Final answer
    x = 6,878.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.